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(P0457) EVAP PURGE VALVE LEAKING (CONTINUED) When Monitored and Set Condition • When Monitored: Engine Running. Cold start test. Fuel Level greater than 12%. Ambient Temperature between • Set Condition: The PCM activates the Evap Purge Solenoid to pull the Evap system into a vacuum. The PCM POSSIBLE CAUSES EVAPORATIVE EMISSION SYSTEM LEAK FUEL TANK PRESSURE SENSOR For a complete Powertrain Control Module Circuit Diagram, (Refer to 9 - ENGINE - SCHEMATICS AND DIA- Diagnostic Test 1. CHECK FOR CURRENT DTC Turn the ignition on. With the DRB III T , read PCM DTCs. Is this DTC present? Yes >> For complete diagnosis of this DTC, refer to (P0455) EVAP SYSTEM LARGE LEAK. No >> Go To 2 2. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set this DTC are not present at this time. Note: Check connectors — Clean/repair as necessary. Poor pin to terminal connections can set DTCs. Using Note: Check for any Technical Service Bulletins that may apply. Were there any problems found? Yes >> Repair as necessary. Perform POWERTRAIN VERIFICATION TEST - VER 2. No >> The condition that caused this DTC to set is currently not present. Inspect the related wiring harness for a possible intermittent condition. ZH ENGINE - ELECTRICAL DIAGNOSTICS 9 - 489 |